| 摘要 |
PROBLEM TO BE SOLVED: To provide a power tool which can hardly allow the entry of waterdrops and dust into a housing. SOLUTION: The portable tool has a motor, the housing for storing the motor, a distal end tool for performing a prescribed work by rotation of the motor, and a wind window provided in the housing to spacially connecting the inside of the housing and the outside of the housing. The wind window is provided with a filter having air-permeability and waterproof. COPYRIGHT: (C)2010,JPO&INPIT
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